79099920
May 11, 2011
Mar 20, 2012
Electrode sheets used in positive and negative electrode of an electric accumulator and a capacitor; aluminum foil for electrode sheets subjected to substrate treatment to form a coating film used in positive electrode of an electric accumulator and a capacitor; copper foil for electrode sheets subjected to substrate treatment to form a coating film used in negative electrode of an electric accumulator and a capacitor
Electrical and Scientific Apparatus